Using SSH

LinuxSecurity: "Not only telnet is
vulnerable to eavesdropping, many other network services behave in such unsecure manner.
SSH stands for Secure Shell, and is the best solution so far for these. All those services (telnet,
rlogin and such) are a menace for security of your systems, so if you're still using them, well...
stop! Use SSH. Not sure nor convinced? Read on."